240 Plante Lindheimeriane. 
mention is several times made of “ deserted ant-hills.” Further 
investigation has shown that these hills are formed by loose 
earth brought by these ants out of their subterranean exca- 
vations. "These consist of oblique tubes, some eight or nine 
inches wide, others only half an inch in diameter; they 
sometimes reach a depth of thirty or forty feet. In the 
greatest depth are their granaries, containing often many 
bushels, and it is said, even wagon-loads, of corn and other 
grain. These ants are also common about New Braunfels, 
and this or another species has occasionally been found to 
be quite destructive to Mr. Lindheimer’s collections.” 
G. ENGELMANN. 
ERRATA. 
Pure wc d 17 Ludi ` brevioribus = read breviore. 
ne 18, 34 1 1 1s *1 inm. 
“ I line E for “ pilos o? read folioso, : 
s" line 18, for “ stigma ” read stigmata 
££ don. at = — bottom, for “ E ine dular t hairy ? read glandular-bairy. 
"COS Bae Hi bs for *axillee ” read axillas. 
© 158, ime 1h, ". * for ""TExANA ” jen TEXANUM. 
od Hagae € for * foliis read foliolis. : 
** 160, line 22, for '* M. Wricntu” read e giri WniGHTII. 
161, line 21, for “ A. Texensr ” read A N TEXENSE 
* 163, line 8 from bottom, for *' peces Miss s. fasciculatas ? read pe- 
dicellos solitarios s. fasciculato 
t 174, line 10 as bottoni, for bees ? read natat 
* 177, line 6 for * Marise: 2 pes lom 
"179, line 1g "^— s for “ 24 - 30-juga ” read s pP 
